TS should have the ability to keep a minimum number of connections active for
all keep alive cases
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Key: TS-116
URL: https://issues.apache.org/jira/browse/TS-116
Project: Traffic Server
Issue Type: New Feature
Components: Core
Reporter: Sean Cosgrave
Today, TS keeps a keep alive connection to the Origin Server upto the time
thats specified in
proxy.config.http.keep_alive_no_activity_timeout_out in the case that the
connection hasnt been re-used for that period
of time.
In addition to that, it would be nice to be able to say that if a connection
has been opened, keep atleast 'n' number
of connections open to the OS regardless of the fact that the connection hasnt
been used for a while.
Obviously 'n' has to be a small number so that we dont end up holding up too
many connections to the OS unnecessarily,
since this feature is simply to allow requests that come after that period of
time to still enjoy the benefits of YCPI
reducing the impact of TCP's 3-way HandShake (especially over a long distance).
Also, do note, that a connection close event from the Origin Server should
obviously be handled correctly and the
connection should be removed from the pool. In that case, no new connections
have to be re-opened to maintain 'n'. This
can purely be done on demand.
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